bought this lens filter because I was looking for a filter no thicker than 3mm that would fit in a new Haoge lens hood (which cannot take thick filters) for my X100V to protect the lens and the camera to make weatherproof. If you don't know anything about the new X100V, you need a filter that is weatherproof. After some searching for a 3mm thick filter I found this filter from K&F Concepts on Amazon. I was skeptical that it would only cost £5.99 and there have been some complaints of a color cast. However, I thought I'd give it up for the price. The box it arrived in isn't the best, but it did its job and the filter arrived unmarked. I held it over a white surface and I could actually see a slight shade of brown. However, I don't see any color cast in the pictures. If you hold the filter up to the light you can see a purple reflection. I have tried to show this in the pictures but there is some fading. It looks very similar to the anti-reflective coating you have on glasses - I don't mind that. Overall I'm amazed, it's actually a really good filter with good spread and no obvious ghosting — I shot in the sun yesterday and it worked really well. I've bought far more expensive filters in the past that weren't as good. Recommended — consider buying a second one as a spare!

For Fuji x100v, its easy to install and can be flipped to accommodate a WCL/TCL or a lens hood like in the photo. Will have to actually test it for street photography if its really water and dust resistant.

Sits well on Fuji x100v. I tried it at night, the diffusion is good and the contrast is also preserved.

Perfect companion to my Fujifilm X100V and Hogue Lens Cover. The fact that it's waterproof is a plus; This filter is an excellent addition due to its WATERPROOF HIGH QUALITY UV FILTER. Happy to find it at Amazon.com Arnold

Excellent quality. the filter is very well made and the image rendering is excellent.

Mounted on my Fuji Xt-20 with the XF 18-55 f/2.8-4R LM OIS or the XC 50-230mm f/4.5-6.7 OIS II zoom with this filter allows me with a small investment to get excellent results.

The filter is very easy to screw on and off. Once screwed in, it stays firmly in place and is not likely to come off, so rotating the polarized lens is very simple.

In the field, it has given excellent results.

Excellent price and excellent quality without strange or loss of quality in the photos

Excellent also the metal ring that protects the filter well.

This K&F Concept Black Diffusion Filter creates a very, very cool dreamy effect while maintaining image sharpness. I use it with my Fuji X-T100, and I'm very happy with the results. The filter screws on perfectly (no issues with the filter body) and does not create vignetting even when used on my UV filter. The images I take with the filter are nice and clear, but with the dreamy, slightly grainy film effect that haze filters like this are supposed to give. I love that I can get the effect without applying any filters while editing. The filter also gives a softer effect to faces, so it's ideal for portraits. I use the 1/4 filter, so the effect is soft. The greater the number of filters, the greater the effect produced.

This K&F Concept Black Diffusion Filter creates a very, very cool dreamy effect while maintaining image sharpness. I use it with my Fuji X-T100, and I'm very happy with the results. The filter screws on perfectly (no issues with the filter body) and does not create vignetting even when used on my UV filter. The images I take with the filter are nice and clear, but with the dreamy, slightly grainy film effect that haze filters like this are supposed to give. I love that I can get the effect without applying any filters while editing. The filter also gives a softer effect to faces, so it's ideal for portraits. I use the 1/4 filter, so the effect is soft. The greater the number of filters, the greater the effect produced.

I got this to use with my Fuji xf 35mmf1.4 (55mm thread) I love the vintage look I can achieve with it. Think smoky barroom, portraits behind a candle, any photo where you might want a little extra glow from the lights. I have a much more expensive 72mm pro mist filter, but this one gives me just the look I want when combined with the magic of the xf 35 1.4. Recommended